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Filrewall, IP Filters and Blocked Protocols

Configuration Manager provides built-in firewall functions, enabling

you to protect the system against denial of service (DoS) attacks

and other types of malicious accesses to your LAN. You can also

specify how to monitor attempted attacks, and who should be

automatically notified.

Configuring Global Firewall Settings

1. Select

Services

Firewall

. The Firewall Configuration

page displays.

2. Configure any of the following settings:

Field

Description

Black List

Status

If you want the device to maintain and use

a black list, click

Enable

. Click

Disable

you do not want to maintain a list.

Black List

Period(min)

Specifies the number of minutes that a

computer's IP address will remain on the

black list.

Summary of Contents for RTA100+

Page 1: ... this publication may be reproduced in any form by any means without the prior written permission Other trademarks or brand names mentioned herein are trademarks or registered trademarks of their respective companies February 2003 Part No A148Rev06 ...

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Page 3: ...r 5 Step 6 Turn on the RTA100 ADSL Modem Router and power up your systems 5 3 Using a PC Connected to the USB port 7 Configuring a PC Connected to the USB port 7 Part 1 Attaching the USB cable 7 Part 2 Installing the USB driver 7 To Release Renew IP Address 9 To Verify USB Device Installation 10 To Remove the USB Driver 11 4 Local PC Configuration 13 Configuring your PCs as DHCP clients 13 Windows...

Page 4: ...uring the RTA100 ADSL Modem Router 27 Part 2 Check your connection status 30 Part 2 Configuring the PC 30 PPP Connection Mode 31 Part 1 Configuring the RTA100 ADSL Modem Router 31 Part 2 Check your connection status 33 Part 3 Configuring the PC 34 Router Connection Mode 35 Part 1 Configuring the RTA100 ADSL Modem Router 35 Part 2 Check your connection status 37 Part 3 Configuring the PC 38 8 Confi...

Page 5: ...ule Allowing external access to a LAN computer 52 The basic rule Performing 1 1 translations 53 The filter rule Configuring a basic rule with additional criteria 54 The bimap rule Performing two way translations 56 The pass rule Allowing specific addresses to pass through untranslated 56 11 Configuring DNS Server Addresses 59 DNS Relay Overview 59 Configuring DNS Relay 59 12 RIP Configuration 61 C...

Page 6: ...naging Current IP Filter Sessions 72 To Block Specific Protocols 74 14 Administration Tasks 75 Changing the System Date and Time 75 Adding Login User ID Changing Login Password 75 Image Upgrade 76 Diagnostics 77 Port Settings 78 View System Alarms 78 15 View DSL Parameters 79 16 Troubleshooting 81 ...

Page 7: ...ide firewall protection for your computers Network configuration through DHCP Configuration program you access via an HTML browser CLI session configuration via terminal emulation software In addition to this document your RTA100 ADSL Modem Router should arrive with the following One RTA100 ADSL Modem Router One power adapter One straight through Ethernet cable One standard phone DSL line cable On...

Page 8: ...ADSL Bridge Router User s Manual 2 For system configuration using the supplied web based program a web browser such as Internet Explorer v5 0 or later or Netscape v5 0 or later ...

Page 9: ...solid when data traffic is heavy DSL green On ADSL link established and active Off No ADSL link USB optional green On USB link is established Off No USB link The rear panel contains the ports for the unit s data and power connections The functions are described as below from left to right Label Function DSL Connects the device to an ADSL telephone jack using the supplied cable USB optional Connect...

Page 10: ...nnect to the wall phone jack Connect one end of the RJ11 phone cable to the port labeled DSL on the rear panel of the device Connect the other end to your wall phone jack with ADSL service Note Depending on the service type offered by your ISP an additional splitter may be needed If this is the case consult with your ISP for actual connection Step 2 Connect to a PC or hub switch To a single PC Att...

Page 11: ...end of the RS 232 cable to the port labeled CONSOLE on the rear panel of the device Then connect the 9 pin end to a serial port of your PC Step 5 Attach the power connector Connect the AC power adapter to the PWR connector on the back of the device and plug in the adapter to a wall outlet or power strip Step 6 Turn on the RTA100 ADSL Modem Router and power up your systems Press the power switch on...

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Page 13: ...w The strings description below are basically the same in Windows 98 Me 2000 and XP The following assumes a Windows 2000 environment Part 1 Attaching the USB cable Attach the USB cable to the RTA100 ADSL Modem Router and to your PC After attaching the USB cable the Windows plug and play function will issue a hardware wizard requesting the USB driver Click Cancel to bypass the screen Part 2 Install...

Page 14: ... the on screen instructions to install the USB driver For Windows 2000 XP Click Yes or Continue Anyway if you are prompted with Microsoft certification message 3 If prompted to restart your computer click Yes to complete the USB driver installation ...

Page 15: ...DSL Modem Router is power recycled your PC may need to renew its IP configuration In this case please open the DOS window and do the following 1 At the DOS prompt issue ipconfig release_all command to release the current IP configuration 2 Then issue ipconfig renew_all command to renew IP parameters ...

Page 16: ...ws 2000 XP Under Control Panel click System Hardware Device Manager In Device Manager window double click Network adapters to display the adapter Dynalink USB IAD LAN Modem If an exclamation mark appears next to the adapter your USB adapter will not function properly Please unplug and then re plug the USB cable to solve this problem Without an exclamation mark next to the USB adapter you USB devic...

Page 17: ...t defined Error Style not defined 11 If you need to remove the USB software please use the provided uninstall program by selecting Start Programs Dynalink DSL Modem Uninstall Then follow the system prompts to proceed ...

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Page 19: ...IP protocol is installed If not refer to Microsoft documentations to install the TCP IP You need only to configure the PCs to accept the information when it is assigned Follow the instructions that correspond to the operating system installed on each PC Windows 95 98 Me PCs 1 In the Windows task bar click the Start button point to Settings and then click Control Panel 2 Double click the Network ic...

Page 20: ...ial up Connections or Network Connections for Windows XP icon 3 Right click the Local Area Connection icon and then select Properties 4 Highlight Internet Protocol TCP IP and then click Properties Note If you are using USB PC select the TCP IP for your USB device for example Dynalink USB IAD LAN Modem 5 In the Internet Protocol TCP IP Properties dialog box click the radio button labeled Obtain an ...

Page 21: ...do not already have the following information IP address and subnet mask Default gateway DNS server On each PC to which you want to assign static information follow the instructions for displaying each of the TCP IP properties Instead of enabling dynamic assignment of the IP addresses for the computer click the radio buttons that enable you to enter the IP address DNS and default gateway manually ...

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Page 23: ...e see next Chapter 5 Before you proceed please make sure that your terminal emulation software is configured as below Bits second 38400 Data bits 8 Party None Stop bits 1 Flow Control None To log in for the first time use the default user name and password Login admin Password admin The default user is pre configured with root privilege level and is allowed to modify the system configuration as ne...

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Page 25: ...192 168 1 1 2 When the login screen displays enter your user name and password and then click OK The first time you launch the program use these defaults Default User Name admin Default Password admin After successful login the System View page displays Button Function Stores in temporary system memory any changes you have made on the current page Redisplays the current page with updated statistic...

Page 26: ...ever you change system settings the changes are initially placed in temporary storage called random access memory or RAM Your changes are made effective when you submit them but will be lost if the device is reset or turned off Follow these steps to commit changes to permanent storage 1 Select Admin Commit Reboot The Commit Reboot page displays 2 Click Commit Disregard the selection in the Reboot ...

Page 27: ...nufacturer s default configuration You can select from the following three options when rebooting Setting Description Reboot Reboot the device to activate your new settings if any Reboot from Last Configuration Reboots the device using the current settings in permanent memory including any changes you just committed Reboot from Backup Configuration Reboots the device using settings stored in backu...

Page 28: ...ckly configure the system go to Home Quick Configuration The Quick Configuration page displays Enter the provided fields as below Field Description ATM Interface Select the ATM interface you want to use usually atm 0 for this connection Operation Mode Select Yes If set to No the device cannot provide Internet connectivity for your network Encapsulation Select the connection type your ISP uses to c...

Page 29: ...t route for your LAN Gateway IP Address Specify the IP address that identifies the ISP server through which your Internet connection will be routed Username and Password If you select PPP as the Encapsulation type enter the username and password you use to log in to your ISP Use DNS Click Enable to turn on the DNS forwarding service which forwards to your LAN PCs the DNS server addresses that your...

Page 30: ...ADSL Bridge Router User s Manual 24 RFC 1483 Bridge RFC 2364 PPPoA ...

Page 31: ...Error Style not defined Error Style not defined 25 RFC 1577 Router ...

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Page 33: ...s to get your network connected to the Internet Contact your ISP to determine whether you should change any existing values Part 1 Configuring the RTA100 ADSL Modem Router 1 Creating an ATM VC interface a Select Bridging ATM VC Add The ATM VC Add page displays b Enter the provided fields as below Field Description VC Interface Select a VC interface from the available interfaces e g aal5 0 VPI VCI ...

Page 34: ...ic Lower Interface Select the ATM VC interface you created in Step 1 e g aal5 0 Config IP Address Netmask 0 0 0 0 0 0 0 0 To use the device as a bridge you don t need to set the IP address and subnet mask Just keep the default Use DHCP Disable Default Route Disable Gateway IP Address Leave it empty You don t need to set the gateway After entering the fields above click Submit c When confirmation p...

Page 35: ... usb 0 and click Add c Select the EOA interface to be used e g eoa 0 from the drop down list and then click Add d Set the Bridging item to Enable and click Submit A confirmation page display to confirm your changes 4 LAN configuration a Select Bridging LAN Config b Don t modify the settings just keep the default shown as the figure below 5 Commit your changes Select Admin Commit Reboot and click C...

Page 36: ...r ISP for example IP address 10 100 16 2 Subnet mask 255 255 255 0 Default gateway 10 100 16 254 Note With the configuration above your PC should be able to access the Internet now but will lose the local connection to the device s LAN port If you want to configure the RTA100 ADSL Modem Router via the Web browser again you should re configure the PC to 192 168 1 x to be in the same subnet of the d...

Page 37: ...a VC interface from the available interfaces e g aal5 0 VPI VCI Enter the VPI VCI values given by your ISP e g 8 35 Mux Type For PPPoE select LLC For PPPoA select VC Max Proto per AAL5 Keep the default 2 After entering the fields above click Submit c When confirmation page appears click Close d You will return to the ATM VC Configuration table and see the newly added ATM VC entry 2 Creating a PPP ...

Page 38: ...blic Status Select Start or StartOnData Start To establish connection whenever you turn on the RTA100 ADSL Modem Router StartOnData To establish connection whenever the device gets request to connect to the Internet such as when you open browser requesting for web pages Protocol PPPoA or PPPoE as required by your ISP Service Name For PPPoA no need to set up For PPPoE enter the Service Name if this...

Page 39: ...ame and password given by your ISP Note that characters of colon semicolon and question mark are not allowed when entering login name and password c You will return to PPP Configuration page and see the new PPP interface The Oper Status Link Up indicates the link is currently up Part 2 Check your connection status The WAN Interface item should display the interface you created to communicate with ...

Page 40: ...ADSL Bridge Router User s Manual 34 Part 3 Configuring the PC Keep your PC s setting as a DHCP client No further configuration is required ...

Page 41: ...fields as below Field Description VC Interface Select a VC interface from the available interfaces e g aal5 0 VPI VCI Enter the VPI VCI values given by your ISP e g 8 35 Mux Type Select LLC or VC as required by your ISP Max Proto per AAL5 Keep the default 2 After entering the fields above click Submit c When confirmation page appears click Close d You will return to the ATM VC Configuration table ...

Page 42: ...SP e g 10 100 17 89 Interface Sec Type Select the type of firewall protections that are in effect on the interface e g Public Net Mask Enter the IP address given by your ISP e g 255 255 255 248 RFC1577 For RFC 1577 Classical IP and ARP over ATM select Yes For RFC 1483 Router select No Use DHCP Disable Default Route Enable Gateway IP Address Enter the gateway IP address given by your ISP e g 10 100...

Page 43: ...n In IPoA Interface Map page from the drop down list select the ATM VC you created in step 1 to be mapped to this IPoA interface and then click Add Then click Close to exit the confirmation page Part 2 Check your connection status The WAN Interface item should display the interface you created to communicate with your ISP A green ball in the Status field indicates a successful connection ...

Page 44: ...ADSL Bridge Router User s Manual 38 Part 3 Configuring the PC Keep your PC s setting as a DHCP client No further configuration is required ...

Page 45: ...TA100 ADSL Modem Router s routing table select Routing IP Route The following page displays The IP Route Table includes routes that were predefined on the device routes you may have added and routes that the device has identified automatically through communication with other devices The routing table should reflect a default gateway which directs outbound Internet traffic to your ISP This default...

Page 46: ... specify the interface name route type or route origin These parameters are used only for routes that are identified automatically as the device communicates with other routing devices For routes you create the routing table displays system default values in these fields 3 Click Submit The IP Routing Table will now display the new route 4 Select Admin Commit Reboot and click Commit to save your ch...

Page 47: ...for your network then you can configure the device as a DHCP relay agent When the RTA100 ADSL Modem Router receives a request for Internet access from a computer on your network it contacts your ISP for the necessary IP information and then relays the assigned information back to the computer DCHP Client If you have another PC or device on your network that is already performing the DHCP server fu...

Page 48: ...specified the same IP address in both the Start End IP Address fields Net Mask Specifies the associated subnet mask of the IP address in this range Domain Name The domain name to be used by DHCP clients Gateway Address The address of the default gateway Typically it is the device s LAN port IP address DNS The IP address of the DNS Server Its typically located with your ISP SDSN SWINS optional The ...

Page 49: ...nfigure the TCP IP properties to Obtain an IP address automatically the actual text may vary depending on your operating system Modifying Address Pools Select LAN DHCP Server and then click the modify icon on the DHCP pool which you want to modify The DHCP Server Pool Modify page displays When modifying an address pool you are only allowed to Change the domain name associated with the pool Disable...

Page 50: ...P s DHCP server and a table that lists the interfaces on your RTA100 ADSL Modem Router that can relay DHCP information 2 Type the IP address of your ISP s DHCP server in the fields provided If you do not have this number it is not essential to enter it here Requests for IP information from your LAN will be passed to the default gateway which should route the request appropriately 3 If the interfac...

Page 51: ...o save your changes to permanent storage Part 3 Configuring your PCs as DHCP clients For each computer that you want to configure to receive IP information automatically configure the TCP IP properties to Obtain an IP address automatically the actual text may vary depending on your operating system ...

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Page 53: ...splays The NAT Global Information table contains the following fields Field Description TCP Idle Timeout sec TCP Close Wait sec TCP Def Timeout sec When a NAT rule is in effect on a TCP session in the active state the session will timeout if no packets are received for the time specified in TCP Idle Timeout When in the TCP session s closing sate the session will timeout if no packets are received ...

Page 54: ...ber of seconds after which a translation session will no longer be valid NAPT Port Start End When an napt rule is defined the source ports will be translated to sequential numbers in this range If you change any values click Submit and then commit your changes to permanent system memory You can click Global Stats to view accumulated data on how many NAT rules have been invoked and how much data ha...

Page 55: ...Error Style not defined Error Style not defined 49 0 To view the NAT Rules currently defined on your system select Services NAT NAT Rule Entry The NAT Rule Configuration page displays ...

Page 56: ...wing fields Field Description Trans Index The sequential number assigned to the IP session used by this NAT translation session Rule ID The ID of the NAT rule invoked Interface The device interface on which the NAT rule was invoked from the rule definition Protocol The IP protocol used by the data packets that are undergoing translations from the rule definition Example TCP UDP ICMP ALG Type The A...

Page 57: ...ses two or more rules may be defined to act on the same set of IP addresses Once a data packet matches a rule the data is acted upon according to that rule and is not subjected to higher numbered rules 3 In the Rule Flavor drop down list select NAPT if necessary 4 From the IFName drop down list select the interface on the RTA100 ADSL Modem Router to which this rule applies Typically NAT rules appl...

Page 58: ...is turned on 10 On the NAT Configuration page click Submit A page displays to confirm your changes 11 Select Admin Commit Reboot and click Commit to save your changes to permanent storage The rdr rule Allowing external access to a LAN computer You can create an rdr rule to make a computer on your LAN such as a Web or FTP server available to Internet users without requiring you to obtain a public I...

Page 59: ...he rule to be enforced on a range of them type the starting and ending IP addresses of the range 5 Enter a destination addresses or a range and port ID or a range as criteria for incoming traffic Depending on which other fields you define in this step incoming traffic that meets this criteria will be redirected to the address es specified in step 3 assuming it comes through the interface specified...

Page 60: ...slated in sequence to a corresponding address in a range of global addresses which you specify in step 4 4 In the Global Address From To fields type the starting and ending address that identify the pool of public IP addresses to which to translate your private addresses Or type the same address in both fields if you also specified a single address in step 3 The filter rule Configuring a basic rul...

Page 61: ...sses to translate your private addresses to Or type the same address in both fields if you also specified a single address in step 3 5 Specify a Destination Address or addresses Destination Port or ports or both You can specify a single value by entering that value in both fields Specify a destination address or range if you want this rule to apply only to outbound traffic to the address or range ...

Page 62: ...s rdr rules because rdr rules also reroute incoming packets based on the port ID Bimap rules do not account for the port number and therefore allow external access regardless of the destination port type specified in the incoming packet 1 Display the NAT Rule Add Page choose a Rule ID and select BIMAP as the Rule Flavor 2 Select the interface and if desired a protocol that this rule applies to 3 I...

Page 63: ...5 then you can create a pass rule with ID 1 through 4 1 Display the NAT Rule Add Page choose a Rule ID and select Pass as the Rule Flavor 2 Select the interface and if desired a protocol that this rule applies to 3 In the Local Address From and Local Address To fields type the lowest and highest IP addresses that define the range of private address you want to be passed without translation If you ...

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Page 65: ...Router 0 Follow these steps to configure DNS relay 1 Configure the LAN PCs Just set the LAN PCs as DHCP clients of the RTA100 ADSL Modem Router 2 On the RTA100 ADSL Modem Router go to LAN DHCP Server enter the LAN IP address e g 192 168 1 1 or 0 0 0 0 as the DNS address in the DHCP server pool By default 0 0 0 0 is already set as the DNS of the DHCP pool 3 Determines how the router will learn the ...

Page 66: ...lready enabled Then these configured addresses will be used in addition to those DNS addresses learned through PPP You use PPP connection and Use DNS is disabled Then these configured addresses will be used Follow these steps to configure DNS relay on the router a Go to Service DNS to display the DNS Configuration page b Type the IP address of the DNS server in an empty row and click Add Click the...

Page 67: ...e ADSL line to a remote network such as a corporate network In order for your LAN to learn the routes used within your corporate network they should both be configured with RIP Your ISP requests that you run RIP for communication with devices on their network 1 Select to Services RIP The RIP Configuration page displays 2 If necessary change the Age and Update Time These are global settings for all...

Page 68: ...ng table RIP version 1 is the original RIP protocol Select RIP1 if you have devices that communicate with this interface that understand RIP version 1 only RIP version 2 is the preferred selection because it supports classless IP addresses which are used to create subnets and other features Select RIP2 if all other routing devices on the autonomous network support this version of the protocol 6 Cl...

Page 69: ...empted attacks and who should be automatically notified Configuring Global Firewall Settings 1 Select Services Firewall The Firewall Configuration page displays 2 Configure any of the following settings Field Description Black List Status If you want the device to maintain and use a black list click Enable Click Disable if you do not want to maintain a list Black List Period min Specifies the numb...

Page 70: ...ion Max Half open TCP Connection Sets the percentage of concurrent IP sessions that can be in the half open state In ordinary TCP communication packets are in the half open state only briefly as a connection is being initiated the state changes to active when packets are being exchanged or closed when the exchange is complete TCP connections in the half open state can use up the available IP sessi...

Page 71: ...contain the time of the violation the source address of the computer responsible for the violation the destination IP address the protocol being used the source and destination ports and the number violations occurring the previous 30 minutes If the ICMP protocol were being used then instead of the source and destination ports the e mail will report the ICMP code and type 3 Click Submit 4 Select A...

Page 72: ...s Typically the global setting for public interfaces is Deny so that all accesses to your LAN initiated from external computers are denied discarded at the public interface except for those allowed by a specific IP Filter rule Private Typically the global setting for private interfaces is Accept so that LAN computers have access to the ADSL Ethernet routers Internet connection DMZ Refers to comput...

Page 73: ...is found It is recommended that you assign rule IDs in multiples of 5 or 10 e g 10 20 30 so that you leave enough room between them for inserting a new rule if necessary Action The action can be Accept forward to destination or Deny discard the packet Direction Incoming refers to packets coming from the LAN and outgoing refers to packets going to the Internet Interface The interface on which the r...

Page 74: ...ll be inactive Black List Status Specifies whether or not a violation of this rule will result in the offending computer s IP address being added to the Black List which blocks the router from forwarding packets from that source for a specified period of time Log Tag A description of up to 16 characters to be recorded in the log in the event that a packet violates this rule Be sure to set the Log ...

Page 75: ... packets must contain the selected protocol eq that they must not contain the specified protocol neq or that the rule can be invoked regardless of the protocol any TCP UDP and ICMP are commonly IP protocols others can be identified by number from 0 255 as defined by IANA Store State If this option is enabled then stateful filtering is performed and the rule is also applied in the other direction o...

Page 76: ...ed unavailable for entry unless you specify ICMP as the protocol ICMP Code Specifies whether the value in the code field in ICMP packet headers will be used as a criteria The code value can be any decimal value from 0 255 You can specify that the value must equal eq or not equal neq the specified value or you can select any to enable the rule to be invoked on all ICMP packets This field will be di...

Page 77: ...sable The rule is not in effect for the specified time period but is effective at all other times 3 When you are done selecting criteria ensure that the Enable is selected and then click Submit If the security level of the rule matches the globally configured setting a green ball in the Status column for that rule indicating that the rule is now in effect A red ball will display when the rule is d...

Page 78: ...8 Click Submit and commit your changes Example 2 Blocking Telnet accesses to the device 1 Add a new rule for packets incoming on the ppp 0 interface 2 Specify that the packet must contain the TCP protocol and must be destined for port 23 the well known port number used for the Telnet protocol 3 Enable the rule by clicking the radio button at the top of the page 4 Click Submit to create the rule an...

Page 79: ...erlying IP protocol used on the connection such as TCP UDP IGMP etc I F The interface on which the IP Filter rule is effective IP Address The IP addresses involved in the communication The first one shown is the initiator of the communication Port The hardware addresses of the ports involved in the communication In Out Rule Index The number of the IP Filter rule that is applies to this session ass...

Page 80: ... protocols may disrupt or disable your network communication or Internet access Use this feature unless you are certain that a particular protocol is not needed or wanted on your network To block specific protocols running across the system select Services Blocked Protocols Check the protocol type you want to block and click Submit Make sure to use commit feature to save your changes to the perman...

Page 81: ...e you log into the Configuration Manager you use the default user ID and password admin and admin The system allows two levels of privilege Root and User Root privilege allows you to change and commit the device s settings while user privilege is provided with read only access right To add login User ID or change login password 1 Select Admin User Config The User Configuration page displays To mod...

Page 82: ...he factory defaults To perform upgrade task download required firmware file to your host PC and follow the steps below 1 Click Browse to locate the firmware file The name of the upgrade file must be one of the following TEImage bin TEDsl gsz TEAppl gsz Filesys bin TEPatch bin 2 Click Upload to start upgrade After a few seconds a message like the following should display the file name may differ Fi...

Page 83: ... diagnostics on specific ATM VC select Admin Diagnostics Select the VC on which you want to execute diagnostics and then click Submit The diagnostic result will displayed on this page Note that only the VCs defined in the system will appear on the drop down list ...

Page 84: ...embedded HTTP Telnet FTP server to use non standard port number when accessing the embedded HTTP Telnet FTP server from the external world the IP address should be followed by a colon and the non standard port number as shown in this following example for a HTTP server i e the Web based Configuration Manager http 10 0 1 16 61000 where 10 0 1 16 is the router s WAN IP address and 61000 is the non s...

Page 85: ...WAN DSL The DSL Status page displays The DSL Status page displays current information on the DSL line performance The page refreshes about every 10 seconds You can click DSL Param to display data about the configuration of the DSL line as shown below From the DSL Status page you can click Stats to display DSL line performance statistics ...

Page 86: ...he previous day At the bottom of the page the Detailed Interval Statistic table displays links you can click on to display detailed data for each 15 minute interval in the past 24 hours For example when you click on 1 4 data displays for the 15 minute such intervals that make up the previous 4 hours there are 16 of these shows one such page ...

Page 87: ...ct cable See Connecting the Hardware for more information DIAG LED stays illuminated after turning the device on The DIAG LED should turn off after about 10 15 seconds If it does not turn off the RTA100 ADSL Modem Router wait 10 seconds and then turn it back on Internet Access PC cannot access Internet Use the ping utility to check whether your PC can communicate with the RTA100 ADSL Modem Router ...

Page 88: ...values Cannot access the Configuration Manager program from your browser Use the ping utility to check whether your PC can communicate with the RTA100 ADSL Modem Router s LAN IP address by default 192 168 1 1 If it cannot check the Ethernet cabling Verify that you are using Internet Explorer v5 0 or later or Netscape Navigator v5 0 or later Support for Javascript must be enabled in your browser Su...

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